AirHint found the following cheapest return flights from Monterrey (MTY) to San Juan (SJU) in May 2026 (see full year).
Return flights
| 28 May - 04 Jun | Volaris | ||
| 11 May - 16 May | Volaris | ||
| 06 May - 10 May | Viva | ||
| 01 May - 05 May | Viva |
Also check the deals for one-way flights from Monterrey to San Juan in May.
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